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Incremental Analysis

An incremental analysis is a decision-making technique used in business to determine the true cost difference between alternatives. Also, called the relevant cost approach, marginal analysis or differential analysis, incremental analysis disregards any sunk cost.



Important Cost Concepts
  • Relevant Costs: The costs and revenues that are different under each alternative, whether during the present or in the future.
  • Costs that do not differ across alternatives are not relevant
  • Opportunity Cost: The monetary value or benefit given up to undertake a different alternative
  • A lost benefit from choosing an alternative.
  • Avoidable Costs: Costs that can be eliminated, either in part or in full, by choosing one alternative over the other.
  • Sunk Costs: A sunk cost is one that has already been incurred in the past and that cannot be recovered. It is irrelevant in decision making.
  • For example: The original cost of an old piece of equipment is irrelevant in the decision to replace it.